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Pie
3 years ago
15

Point A(-2,4) Point B (3,-6) a. Calculate the perpendicular gradient of the line AB

Mathematics
1 answer:
olga_2 [115]3 years ago
8 0

Answer:

1/2

Step-by-step explanation:

-6-4 / 3-(-2) = -2

-2(m2) = -1

m2= 1/2

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determine if the conditional statement is true or false given the following: p is true. q is true is pq true or false? true fals
Flura [38]

Answer:

True because true times true is true. False x false is false.

7 0
1 year ago
What is the formula for a ratio? Is the x-axis horizontal or vertical? Which points are on the y-axis (0, 6)?
Cerrena [4.2K]

Answer:

formula for ratio: you can write a ratio with :, or, /

x axis is horizontal

0= x axis  6= y axis

Step-by-step explanation:

7 0
3 years ago
F(x) =
sertanlavr [38]

To make things easier, first rewrite

<em>f(x)</em> = <em>x</em> / (<em>x</em> + 7/<em>x</em>) = <em>x</em> ² / (<em>x</em> ² + 7)

i.e. multiply <em>f</em> by <em>x</em>/<em>x</em>, which is valid because <em>x</em> can't be 0 anyway as it's outside the domain of <em>f</em>.

Now, by the quotient and chain rules, we get

<em />

<em>f '(x)</em> = ((<em>x</em> ² + 7) (<em>x</em> ²)' - <em>x</em> ² (<em>x</em> ² + 7)') / (<em>x</em> ² + 7)²

… = (2<em>x</em> (<em>x</em> ² + 7) - <em>x</em> ² (2<em>x</em>)) / (<em>x</em> ² + 7)²

… = (2<em>x</em> ³ + 14<em>x</em> - 2<em>x </em>³) / (<em>x</em> ² + 7)²

… = 14<em>x</em> / (<em>x</em> ² + 7)²

<em>f ''(x)</em> = ((<em>x</em> ² + 7)² (14<em>x</em>)' - (14<em>x</em>) ((<em>x</em> ² + 7)²)') / ((<em>x</em> ² + 7)²)²

… = (14 (<em>x</em> ² + 7)² - (14<em>x</em>) (2 (<em>x</em> ² + 7)² (<em>x</em> ² + 7)')) / (<em>x</em> ² + 7)⁴

… = (14 (<em>x</em> ² + 7)² - (14<em>x</em>) (2 (2<em>x</em>) (<em>x</em> ² + 7)²)) / (<em>x</em> ² + 7)⁴

… = (14 (<em>x</em> ² + 7)² - 4<em>x</em> (14<em>x</em>) (<em>x</em> ² + 7)²) / (<em>x</em> ² + 7)⁴

… = 14 (<em>x</em> ² + 7)² (1 - 4<em>x</em>) / (<em>x</em> ² + 7)⁴

… = 14 (1 - 4<em>x</em>) / (<em>x</em> ² + 7)²

… = (14 - 56<em>x</em>) / (<em>x</em> ² + 7)²

6 0
3 years ago
The function h is defined by h (y) = 2y-7.<br> What is the value of h(8) ?<br> ooo
kozerog [31]

Answer:

The value of h(8) = 9  

Step-by-step explanation:

Given function as

h(y) = 2y - 7

For y = 8

Put the value of y in given function

So, h(8) = 2 (8) - 7

OR , h(8) = 16 - 7

∴  h(8) = 9  

Hence the value of h(8) = 9    Answer

6 0
3 years ago
Find the height of a triangle with an area (A) of 35 square inches and
lbvjy [14]
<h3>answer</h3>

hb=10in

b Base

7

in

A Area

35

in²

Using the formula

A=hbb

2

Solving forhb

hb=2A

b=2·35

7=10in

8 0
3 years ago
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